Showing structure for [(1z,6e)-2-{2-[(1s,4as,8as)-2,5,5,8a-tetramethyl-1,4,4a,6,7,8-hexahydronaphthalen-1-yl]ethyl}-8-(2,5-dihydroxyphenyl)-5-hydroxy-6-methylocta-1,6-dien-1-yl]oxysulfonic acid